下列哪些是充血性心力衰竭的诊断依据：( )

A．inet.0

B． inet4.0

C． inet.6

D． inet6.0

E． inet.3

A. They establish routes that will never go down.

B. The keep routing tables small.

C. They require a great deal of CPU power.

D. The allow connectivity to remote networks that are not in the routing table.

E. They direct traffic from the Internet into corporate networks.

A．A.neighbor table

B．B.LSDB table

C．C.LSA

D．D. routing table

A. The default administrative distance has been changed.

B. IS - IS is not enabled.

C. Three physical interfaces are taking part in integrated IS - IS.

D. IS - IS is not redistributing any oth er routing protocols.

E. There are two neighboring routers sending IS - IS routing information.

F. Address summarization is configured.

A. discard

B. next policy

C. accept

D. ignore

A. to provide routing to a local web server

B. to provide routing from an ISP to a stub network

C. to provide routing that will override the configured dynamic routing protocol

D. to provide routing to a destination that is not specified in the routing table and which is outside the local network

A．15 seconds

B．30 seconds

C．180 seconds

D．240 seconds

What can be inferred about the gift certificate？

A．It is valid for three months.

B．It is accepted by a specific airline.

C．It can be exchanged for a cash prize.

D．It will be mailed within one week.